uClibc:
 * replace pthread_errno_fix-patch with a better one taken from [http://git.buildroot.net/buildroot/commit/toolchain/uClibc/uClibc-0.9.32.1-linuxthreads-errno-fix.patch?id=9fd4c35058684fde99e84261343ef9aa24e64a90 Buildroot]
 * more information can be found [https://bugs.busybox.net/show_bug.cgi?id=2089 here]
 * refs #1939


git-svn-id: file:///var/svn/freetz/trunk@10533 149334a1-2f27-0410-a3b9-fc62619ac1e6